//
//  RecordableLayer.swift
//  SCNRecorder
//
//  Created by Vladislav Grigoryev on 30.12.2019.
//  Copyright © 2020 GORA Studio. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.

import Foundation
import UIKit
import AVFoundation

public protocol RecordableLayer: AnyObject {

  var lastTexture: MTLTexture? { get }

  var device: MTLDevice? { get }

  var pixelFormat: MTLPixelFormat { get }

  var drawableSize: CGSize { get }

  var colorspace: CGColorSpace? { get }

  func prepareForRecording()
}

public extension RecordableLayer {

  func prepareForRecording() { }
}

#if !targetEnvironment(simulator)

public extension RecordableLayer where Self: CAMetalLayer {

  func prepareForRecording() { Self.swizzle() }
}

#else

@available(iOS 13.0, *)
public extension RecordableLayer where Self: CAMetalLayer {

  func prepareForRecording() { Self.swizzle() }
}

#endif
